Seiko Cal. 3891 - 601

This Solar model from 1975 features a 38mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-562d3684c683]

Also known as: Tuna, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1975

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