Seiko Cal. 6631 - 388

This Solar model from 1996 features a 42mm Gold-Plated case. Powered by the 6631 caliber with 35j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-24b376d994a5]

Also known as: Bullhead, Arnie

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1996

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