Seiko Cal. 3872 - 977

This Spring Drive model from 1966 features a 39mm Two-Tone case. It features a Silver dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-c9d44b414f61]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1966

Related Models

• Seiko 6397-254
• Seiko 4527-496
• Seiko 5611-493
• Seiko 6354-575
• Seiko 5235-894
• Seiko 5252-198
• Seiko 6359-365
• Seiko 4587-773
• Seiko 0736-551
• Seiko 6298-867
• Seiko 5284-636
• Seiko 0714-684