Seiko Cal. 5277 - 641

This Automatic model from 1966 features a 38mm Titanium case. Powered by the 5277 caliber with 17j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-e05f25d54d33]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1966

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