Seiko Cal. 6188 - 716

This Solar model from 1977 features a 40mm Two-Tone case. Powered by the 6188 caliber with 30j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-b253ececd2c0]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1977

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