Seiko Cal. 5681 - 261

The Seiko 5681-261 represents an important milestone in Seiko's 1966 lineup. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-10fc1165d08c]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1966

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