Seiko Cal. 5612 - 401

This Spring Drive model from 1986 features a 40mm Titanium case. Powered by the 5612 caliber with 33j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-d267e41c42c4]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1986

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