Seiko Cal. 6138 - 953

This Solar model from 1987 features a 40mm Two-Tone case. With its 22mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-3f2afead15ed]

Also known as: Tuna, Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1987

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