Seiko Cal. 5291 - 816

This Solar model from 1975 features a 36mm Two-Tone case. Powered by the 5291 caliber with 27j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-d96673f0c0bf]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1975

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