Seiko Cal. 3840 - 718

The Seiko 3840-718 represents an important milestone in Seiko's 1980 lineup. It features a White dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-de5a58843180]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1980

Related Models

• Seiko 6124-930
• Seiko 6293-467
• Seiko 5610-706
• Seiko 7025-862
• Seiko 0730-714
• Seiko 7136-580
• Seiko 6178-630
• Seiko 6610-803
• Seiko 6145-554
• Seiko 6643-792
• Seiko 3869-257
• Seiko 7177-286