Seiko Cal. 5261 - 610

This Spring Drive model from 1975 features a 36mm Gold-Plated case. It features a Navy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-b171e937ae03]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1975

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