Seiko Cal. 6657 - 860

This Solar model from 1989 features a 39mm Stainless Steel case. It features a Silver dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-48d08234b1c4]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1989

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