Seiko Cal. 3881 - 770

This Solar model from 1970 features a 39mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-32311729938c]

Also known as: Samurai, Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1970

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