Seiko Cal. 5640 - 977

This Solar model from 1996 features a 34mm Gold-Plated case. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-c63e86212118]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1996

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