Seiko Cal. 5677 - 235

This Quartz model from 1970 features a 39mm Titanium case. Powered by the 5677 caliber with 34j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-39b82cdc1652]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1970

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