Seiko Cal. 5277 - 401

This Spring Drive model from 1966 features a 44mm Titanium case. Powered by the 5277 caliber with 27j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-b3229b3b0a4f]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1966

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