Seiko Cal. 5691 - 881

This Hand-Winding model from 1978 features a 40mm Two-Tone case. It features a Silver dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-710d65c2ad36]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1978

Related Models

• Seiko 7157-387
• Seiko 5689-986
• Seiko 6267-875
• Seiko 7056-751
• Seiko 6664-427
• Seiko 7123-315
• Seiko 6283-937
• Seiko 5260-513
• Seiko 6676-672
• Seiko 6194-680
• Seiko 6334-516
• Seiko 4578-707