Seiko Cal. 3870 - 907

Released in 1971, the Cal. 3870 with design code 907 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-3a504aac7370]

Also known as: Shogun, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1971

Related Models

• Seiko 7197-707
• Seiko 6214-782
• Seiko 4540-324
• Seiko 6131-322
• Seiko 6389-699
• Seiko 6361-436
• Seiko 4580-458
• Seiko 7023-994
• Seiko 4492-369
• Seiko 4554-814
• Seiko 5690-324
• Seiko 0733-645