Seiko Cal. 0771 - 613

This Spring Drive model from 1991 features a 46mm Gold-Plated case. Powered by the 0771 caliber with 23j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-4ca1532ddc5d]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1991

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